Acting derpy comes quite naturally to critters of all shapes and sizes, and they’re blissfully unaware of how those derpy expressions on their faces drive humans wild with laughter and happiness.

When you're looking to put on a happy face there's no easier way than by looking at a bunch of pics featuring animals making derpy faces seemingly for your amusement, and we have yet to find a dark day that cannot be brightened by hilarious animal pics, they're like Prozac for your eyeballs!